<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>
<body>
    <div id="app">{{mag}}</div>
</body>
<script>
    const vm = new Vue({
        el:'#app',
        data:{
            mag:'我的第一个Vue hello vue'
        }
    })
</script>
</html>